Honda S2000 Service Manual page 68

Starting System
Starter Overhaul (cont'dl
7. Check the mica depth (A). lf the mica is too high (B),
undercut the mica with a hacksaw blade to the
proper depth. Cut away all the mica (C) between
the commutator segments. The undercut should
not be too shallow, too narrow, or V-shaped (D).
Commutator Mica Depth
Standard (New): 0.4-0.5 mm (0.010 0.020 in.)
Service Limit:
0.15 mm (0.006 in.)
8. Check for continuity between the segments ofthe
commutator, lf an open circuit exists between any
segments, replace the armature.
M
4-12
9 . Place the armature (A) on an armature tester (B).
Hold a hacksaw blade (C) on the armature core.
lf the blade is attracted to the core or vibrates while
the core is lurned, the armature is shorted. Replace
the armature.
B ^
Check with an ohmmeter that no continuity exists
between the commutator (A) and armature coil
core {B), and between the commutator and
armature shaft (C). lf continuity exists, replace the
armature.
1 0 .